Cheapest one-way flights from Trenton to St. Thomas in December from $150

AirHint found the following cheapest one-way flights from Trenton (TTN) to St. Thomas (STT) in December 2025 (see full year).

One-Way flights

08 Dec Frontier Airlines
13 Dec Frontier Airlines
11 Dec Frontier Airlines
22 Dec Frontier Airlines
24 Dec Frontier Airlines

Also check the deals for return flights from Trenton to St. Thomas in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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